Patents for H01F 7 - Magnets (20,067)
02/1985
02/12/1985US4499444 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems
02/12/1985US4498792 Printing and/or correcting device for printing machines
02/05/1985US4498066 Electromagnetic device
02/05/1985US4498048 NMR Imaging apparatus
02/05/1985CA1182160A1 Electrical serial ring solenoid actuator
01/1985
01/29/1985US4496922 Electromagnetically released coupling
01/29/1985US4496921 Electromagnetic actuator having adjustable plunger
01/29/1985US4496134 Rotary solenoid actuator
01/23/1985EP0132030A2 Proportional solenoid valve
01/22/1985USRE31813 Print wire solenoid
01/22/1985CA1181476A1 Permanent magnetic holding arrangement, particularly for temporary holding of ferro-magnetic parts
01/16/1985EP0131155A2 Electro-magnetic alignment apparatus
01/15/1985US4494098 Solenoid device
01/15/1985US4494096 Latching solenoid
01/15/1985US4494022 Electromagnetic force-transducer
01/15/1985US4493474 Electromagnetic valve unit
01/02/1985EP0129756A1 Electromagnetic actuator generating equal and opposing force vectors
01/02/1985CA1180374A Electromagnet for use in nmr tomography
01/01/1985US4491816 Transducer for alternating current limiter
01/01/1985US4491815 Rotary actuator
12/1984
12/27/1984EP0129335A1 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems
12/27/1984EP0129308A2 Electromagnetic force-transducer
12/27/1984EP0129127A1 Switchable magnet
12/25/1984US4490815 Actuator for use in a pickup device for a video disk player
12/25/1984US4490703 Multipole magnet for electron beam correction
12/25/1984US4490675 Electromagnet for use in NMR tomography
12/25/1984US4489950 Mechanical anchoring
12/19/1984EP0128508A2 Method and apparatus for producing anisotropic magnets
12/18/1984US4489294 Starter solenoid terminal cover
12/18/1984CA1179732A1 Driver circuit for use with inductive loads or the like
12/12/1984EP0127775A2 Subharmonic controller for electromagnetic exciter
12/12/1984EP0127692A1 Electromagnetic driving element
12/05/1984EP0127472A2 Ferrofluid-pole-piece magnetic apparatus and method of manufacture thereof
12/05/1984EP0127354A1 Trip solenoid
12/05/1984EP0127058A2 Positioning device for objects, particularly magnetic heads
12/05/1984EP0126973A1 Disc storage device with positioning assembly and locking solenoid
12/04/1984US4486731 Coil assembly with flux directing means
12/04/1984US4486729 Device to make an object float through the utilization of magnets
12/04/1984US4486728 Shared flux reciprocal electromagnetic actuator
12/04/1984US4486711 Gradient field coil system for nuclear spin tomography
11/1984
11/27/1984US4485425 Drive circuit for printer, particularly, matrix printer of the needle or hammer variety
11/27/1984US4485424 Process and circuit for exciting solenoid coil
11/27/1984US4484761 Magnetic release system for safety ski bindings
11/20/1984US4484170 Dot matrix print head solenoid assembly
11/20/1984US4484167 Activating magnet, particularly a stroke magnet
11/20/1984US4484161 Silicone rubber for relieving stress in magnetic material
11/20/1984CA1178320A1 Solenoid
11/14/1984EP0124860A1 Coil bobbin
11/13/1984US4481699 Method for producing an electromagnetically actuatable fuel injection valve
11/07/1984EP0124335A2 Force motor with null centering and null position bias
11/06/1984US4481554 Voltage adaptive solenoid control apparatus
11/06/1984US4480361 Clasp utilizing attractive force of permanent magnet
11/06/1984CA1177530A1 Control of electro-magnetic solenoid
10/1984
10/30/1984US4480208 Stator structure for an electromagnetic device
10/30/1984US4480202 Magnetic linear drive
10/25/1984WO1984004198A1 Electromagnetic actuator apparatus
10/25/1984WO1984004183A1 Method and device to adapt the action of an electromagnet on a component
10/23/1984US4479162 High speed reciprocal electromagnetic actuator with cancelled retarding-flux
10/23/1984US4479161 Switching type driver circuit for fuel injector
10/23/1984US4479103 Polarized electromagnetic device
10/17/1984EP0122133A1 Electrical winding
10/16/1984US4477789 Solenoid armature cushion
10/10/1984EP0121007A1 A combined position sensor and magnetic actuator
10/10/1984EP0120927A1 Nmr imaging apparatus.
10/09/1984US4476451 Solenoid actuator
10/02/1984US4475096 Apparatus for generating intense, quasi-stationary magnetic fields with compact toroidal geometry
09/1984
09/25/1984US4473862 Circuit for controlling an electromagnet
09/25/1984US4473861 Control device for an electromagnetic consumer in a motor vehicle, in particular a magnetic valve or an adjusting magnet
09/25/1984US4473809 Lifting electromagnet
09/25/1984US4473808 Electromagnet system for electromagnetic switchgear
09/25/1984US4473311 Print wire drive assembly for dot-matrix printers
09/19/1984EP0119120A1 Device for controlling clutching force
09/19/1984EP0118591A1 Process and device for activating an electromagnetic positioner
09/18/1984US4472699 Electromagnetic relay
09/18/1984US4472344 Simplified segmented magnetic coil assembly for generating a toroidal magnetic field and the method of making same
09/12/1984EP0118198A1 Magnets
09/11/1984CA1174262A1 Multipole solenoid
09/05/1984EP0117808A1 Device for supporting and fixing coils adapted to produce a constant and homogeneous magnetic field
09/04/1984US4470030 Trip solenoid
09/04/1984US4469023 Cross hammer type printer head
08/1984
08/30/1984WO1984003253A1 Wire coil assembly for matrix print head and manufacturing method
08/29/1984EP0117145A1 Dot impact printing head
08/29/1984EP0116850A1 Microprocessor controlled solenoid plunger print system containing an opto-electronic sensor
08/28/1984US4468647 Activating magnet
08/28/1984US4468622 Gradient coil system for nuclear magnetic resonance apparatus
08/21/1984US4467304 Saturable tandem coil transformer relay
08/21/1984CA1173102A1 Magnetomechanical converter
08/14/1984US4465993 Magnetic holder
08/07/1984CA1172341A1 Constant energy drive circuit for electromagnetic print hammers
08/01/1984EP0114354A2 Electromagnetic actuator of the positioning device type
07/1984
07/31/1984US4463332 Adjustable, rectilinear motion proportional solenoid
07/31/1984US4462707 Printing and/or correcting device for printing machines
07/24/1984US4462014 Wide-angle actuator
07/24/1984US4462013 Electromagnetic device with dust-tight enclosure
07/17/1984US4460882 Brake magnet for watt-hour meters
07/17/1984US4459819 Apparatus for controlling a refrigeration system
07/11/1984EP0113301A1 Magnetic chuck using permanent magnets
07/11/1984EP0113006A2 Backstop for print lever actuator
07/10/1984CA1170700A1 Solenoid having spring biased lost motion link
07/05/1984EP0099911A4 Solenoid operated flow control module.